Screen



Nov. 24, 1931. ,,R 1 v 1,833,745

SCREEN Original Filed June 20, 1329 2 Sheets-Shee't 1 efoa e I-NVENTOR ATTORNEY Now 24, 1931 J. GRALlNSKl 2 Sheets-Sheet 2 (2.115707 ral ATTORNEY JO EPH s ei e iioa imiibwffi r j AV DsswBessaosm s m vwiermal mmmn moeAwmEw KADUNG, 0F HrLLIARDs;PENNsYLvANrs3,-

. within the housing as well Patented Nov. 24,1931

This invention relates to'screens and is an improvement on my Patent No. 1,086,817, issued February 10,1914. I

The general object ofthe present invention is to provide a window screen that is not-only movable with the window sash when the latter is opened and closed, but is easily and expeditiously removable from said sash betweenthe same are elasticstrips to prevent the passage of dirt', dust and foreign matter as to prevent wear on the screen wire. V

A further object-of the invention is to provide a screen for windows, andof the character set forth, that is simple in construction,

inexpensive to manufacture and installfand extremely eflicientin operation and service.

A still further object of the invention is r to provide a window screen of the type-referred to that can heeasily and expeditiously applied and removed with respect to a wing dow without making any changes whatsoever to the latter.

This invention also features of construction and in. the combination and arrangementuof the several parts,

to be" hereinafter jfully described, illustrated in the accompanying drawings and specifically pointed Iout inTtheappendedclaim. a In describing 'my invention in detail, reference will be had'to the accompanying draw ings wherein like characters denote like or corresponding parts throughout the-severah Securedftojthe top and extending'longitudiviews, and in which: n v v Figure 1 is a front elevation illustrating the application of inyimproved screen and show-1 ing parts in section.

lpplication'flled Juneau, 1929, serial No.';37 2,, 475. metastases;" 931;:

ofiFiguref l FigureSisi'a sectional view 'taken'ap proxi-i ter in. rolled position "and thewiiidow closed? Referringto'the drawingsiin detail, "thei-letl:

terA indicates a'window frame, andBithe' 1" lower sash -which' when-raised and lowered moves" the screen according-lyf andjwvhile I have T disclosed .the screenoperatedthrough v the instrumentality of the'lower sash; it will lee-obvious that my screens can be applied for 7 operation; bythe upper sash,1--In-thi s event two screensxmay be; employed, one for, each;

Secured to "the; confronting gface's ofg'the' windowframe and inwardly of the'lower sash I thereof are guide stripsl thatareiof substan' tiallyU-shape in. cross section with inwardly- T directed flanges; '2 formed' therewith best" shownin Figure-f3. ;Mounted.iir theanppei' and lower ends of thezguidestripsares rock;'

" trained 5 .thereabout 1 et Wheels. that hav sprocket; chains :tgfixThes ;lower}'--:=sprocket wheels .are sejcur'ed to 'thet-t'runnions .5: ofga spring pressed roller:6"thatlhas-fixedi thereto in any. well knownlgrnanner and through the,

instrumentality of: screws: as showniin Figiire iiggested inljigurefi. 'Arrangedon the inner silland securedwvith wall -Inergingz in straighFportions,i while its;

best shown in Figure A, and formed in 'the upper wall for" top. of the housingis an; 'eldm gated slot throughwhichapass'esthe; screen.

nally thereofupon-opposite sides OfttheESIO-t to allibw forthe free passage ofthe screnandi 51,-; screenwire 17; .theouteriendy of which-is; looped upon itself, asyati: 8',1;iian d extending 1;) through: the looped: end is nav-ro 9 which has 1 Ifitsgends secured in-goneof thetlinksof each' of a .,..thQSp OC et-Chains consistsin certain'otheru areielastijc strips l-Ltbat havetheir confronts L ing faces spaced a suflicientf. distance apart.

Figure 2 is a sectional view taken'approxij 5 is, w

these, elastic strips prevent the passage of V dirt,-dust and foreign matter within the'hOns- Disposed in spaced parallelismand in eqnif distantly spaced relation with respect to I ing as will be apparent;

1 eachothericare headed screws l2-secnred-to the" lower rail of-the lower sash ad acent 1t's;11p:.

'' Pi r n zi e ofliL n a ranged h reby he head are spaoeda considerable distance front 5 j the-rail.

edge ofthe hood is likewise flanged as at '15 'damagef the same as will be apparent. i Phe hoodv is in realitv secured tothe screws-12 f through'the medium' of aretaining strip 16" thatihasiliformed':therein key holewshaped V 1 openings 17 for receiving the sorew's'whereby theistripiis heldsecnred to said screws .when

the strip is positioned as shown iniFignres land 'b zand-when inithiscposi tion; the heads 7 .i vofthe' screws are arranged in the slotted-ends" I r of thefkey hole shaped'openings'; with the up fper fiangeaofazthe hood between therailaind thestripL. -r e, 1. 7 v Secured 'iiOiiihGBIldS' of the retaining: strip 30 -16:ar.eearsgarranged inapertu'red pairsfand pivotally secured between each pairof ears :Carried'by'the lowerj'r'ailis a hood f H j f] 13 andforthis purposelthe hood-isf provided r witha flanged upper edge 14 whichis pro v vided with openings of a size'to pass'freely'f v 1-5 over the headsrof the screws, and the lower] wherehy'it will'lie flush with thesill andrnot frame,.a hood having openings to receive the fasteners, said hoodcovering the easing when plate having keyhole slots. receiving the fasteners. to "secure the hood thereon, ears formedion; the ends of the plate, and dogs .the sash is in window closing position, a I

pivoted to the ears and; adapted to "engage q rtai lin h '..s p ket, chainsi I t st y V is ap 'wl member 18vthat isv provided withga I I handle 19 to facilitate the easy operation thereof; -These pawls areof a; size wherebythe-operating ends 'can bels'eo ir ed inthe'link of thel s1irocket "chain 4c shownin Figure" I 1 '31.;"Whenwthe pawlsarejarranged' in their Y 7' lastn entioned:positions,-it.wi11be-ohvio1is I thatiwhenlthe' lower 'sash is raised and lowered} the screen w-ill beanioved accordingly, sot-hati the'sereen will closeth'ewindowopen 'ing when the-windo w*is raised; j 3 V -.-;-The:screws that -seclire the 'screenflwirefto 'the;. spring pressed roller ipass i -through a f the wi ghtfroniite-foregoingfdesorip fft1on-that the advantagesiandfnovel featlires q of Inyinvention-willfbereadily-apparent;- v

5% I desireI-it}tofbe understoodthat-I may" inake changes ini-the construct-ion an'dinthe combin'ation andarrangement of th-e' Fs'ev geralparts provided that such changes I within the Scope 7 f the appended ol'ainl, fmgatglclaimjist casin'ghaving a*rollerisupporting: ascreen a and .spro cket'chains connected to the 'r 11'er-*- an dscreen and oarriedbya-window' frame; i I I head ed fasteners secured' 'to a sash the? 'ereoflefiiimy'si nature? I t 1 301 i I 

